I'm hesitant to say too much about Stellar because I haven't researched it much, but as far as Jeb, I am leary. Now, this is from a third person perspective, but he was part of the problem when Mt.Gox went down and the many problems plaguing it that led to the theft. Now I don't doubt he as extensive crypto knowledge and could be a valuable asset to a team like Ripple, but leading his own project is different. He allowed Mt.Gox to be so vulnerable and instead of putting a halt to it and fixing issues, he plowed ahead as the honeypot of money flowed. Either he was purposefully unethical or irresponsibly ignorant. The leader of a project carries a weight and I like to think he learned from the mistakes, but with Steller taking off.....that's a fuckton of money and dwarfs mt gox. He could make the same mistakes or be consumed by the greed. After all, he still makes a ton no matter what. Granted this is just my take and I don't know Jeb, nor hope that this is true, but it's just my take.